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Observación de células animales
Conocimientos previos:
Material:
&Dispositivo que regula la entrada de oxígeno
&Dispositivo que regula la intensidad de la llama
Cubre objetos
Microscopio
Proceso:
Se extraen células del epitelio bucal con el depresor lengual esterilizado.
Se depositan las células extraídas sobre el vidrio de muestra del microscopio.
Se ajusta la llama del mechero de Bulsen regulando los dispositivos para que no pase el oxígeno y para que la llama sea azul.
Se pasa el vidrio con la muestra por encima de la llama de forma rápida y varias veces para que las células se adhieran a él.
Se tiñen las células
Se aclara el tinte debajo del grifo tras haber esperado cuatro minutos.
Se seca la base del vidrio.
Se coloco encima de la muestra el cubre objetos.
Se pone al microscopio.
Resultado:
Conclusiones:
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Enviado por: Chivi Idioma: castellanoPaís: España